# ElectriCalc Pro vs Cu to Al to Cu Conversion Calc

The clearest difference is in-app purchases: Cu to Al to Cu Conversion Calc at none against ElectriCalc Pro's 2. ElectriCalc Pro's advantage is ratings volume (366 vs 1) and iOS requirement (14.0 vs 16.6). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. ElectriCalc Pro sells 2 in-app purchases, starting at $4.99 per month. Cu to Al to Cu Conversion Calc asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for ElectriCalc Pro against 5.0 for Cu to Al to Cu Conversion Calc. That said, the two scores are not equally well evidenced: ElectriCalc Pro has 366 ratings behind it against 1, so its average is the more settled of the two.

ElectriCalc Pro ships an update every 10 months, Cu to Al to Cu Conversion Calc every 16 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ElectriCalc Pro | Cu to Al to Cu Conversion Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (366 ratings)](https://appshunter.io/ios/app/electricalc-pro/id569677304/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cu-to-al-to-cu-conversion-calc/id6744463524/reviews)** |
| Number of ratings | **366** | 1 |
| Positive reviews | 78.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 months** | Every 16 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 29 MB | 6 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Calculated Industries](https://appshunter.io/developer/370406449) | [Southwire Company](https://appshunter.io/developer/440338423) |

## What reviewers say

### ElectriCalc Pro

[App page](https://appshunter.io/ios/app/electricalc-pro/id569677304)

This app provides electricians and electrical professionals with a powerful tool for performing complex calculations based on the latest National Electrical Code (NEC). It offers solutions for wire sizing, voltage drop, conduit sizing, and motor calculations, saving time and ensuring code compliance.

**Highlights:** NEC compliant calculations, Wire and conduit sizing, Voltage drop calculations, Motor full-load amps, Ohm's Law solver, Built-in help and tutorials

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Full Access | $4.99 | per month |
| 1 Year Full Access | $39.99 | per year |

**What reviewers like**

- 👍 Great app overall
- 👍 Excellent electrical engineering application
- 👍 Great tool for engineering teams
- 👍 Useful in daily work activities
- 👍 Continuously improving with new functions

**What reviewers complain about**

- 👎 Recurring costs are disliked
- 👎 Not worth it if you have the actual calculator
- 👎 App should include current NEC
- 👎 High cost for difficulty of use
- 👎 No longer works after iOS update

**Reported bugs**

- No active subscriptions error after iOS update
- HP calculations not working
- App closes when calculating conduit size
- Wire size calculation crashes the app
- Fails when entering HP

**Requested features**

- Option to print
- Metric wire size (mm2)


### Cu to Al to Cu Conversion Calc

[App page](https://appshunter.io/ios/app/cu-to-al-to-cu-conversion-calc/id6744463524)

Easily convert between copper and aluminum wire sizes. Get a quick overview of key conversion factors for electrical projects.

**Highlights:** Copper to aluminum conversion, Aluminum to copper conversion, Key variable display, Electrical project calculations, Snap view of conversions

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ElectriCalc Pro free?

ElectriCalc Pro is free to download, with in-app purchases available.

### Is Cu to Al to Cu Conversion Calc free?

Cu to Al to Cu Conversion Calc is free to download, with no in-app purchases.

### Which has better reviews, ElectriCalc Pro or Cu to Al to Cu Conversion Calc?

Cu to Al to Cu Conversion Calc is rated higher. ElectriCalc Pro averages 4.9 out of 5 from 366 ratings, while Cu to Al to Cu Conversion Calc averages 5.0 from 1 ratings.

### Do ElectriCalc Pro or Cu to Al to Cu Conversion Calc have ads?

Neither ElectriCalc Pro nor Cu to Al to Cu Conversion Calc shows ads.

### Which is updated more often, ElectriCalc Pro or Cu to Al to Cu Conversion Calc?

ElectriCalc Pro ships an update every 10 months, and Cu to Al to Cu Conversion Calc every 16 months. Most recently, ElectriCalc Pro was updated on October 29, 2026 and Cu to Al to Cu Conversion Calc on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*